Highly permeable ionic liquid 1-butyl-3-methylimidazoliumtetrafluoroborate (BMIMBF4)/CuO composite membrane for CO2 separation
作者： Young Sung Park , Chaeyeon Ha , Sang Wook Kang
DOI: 10.1039/C7RA04797E
关键词:
摘要: An ionic liquid (IL) 1-butyl-3-methylimidazoliumtetrafluoroborate (BMIM+BF4−)/CuO composite was prepared for CO2 transport membranes. CuO nanoparticles (NPs) were successfully generated in BMIM+BF4−. The formation of NPs ascribed to the favorable interaction between ions BMIM+BF4− and surface particles. To confirm coordination behavior BMIM+BF4−/CuO membrane, TGA FT-Raman spectroscopy employed. ideal CO2/N2 selectivity case material 21.0, with a permeance 52.4 GPU, while neat membrane showed 5.0 17.0 GPU. enhanced separation performance attributed (1) synergistic effect well-dispersed nanoparticles, resulting solubility due increased oxide particle layer (2) abundant free
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